The spelling of the word "borucki" can be explained using IPA phonetic transcription. It is pronounced as [bɔˈrʊtski], with the stress on the second syllable. The first sound, "b", is bilabial and voiced, followed by an open-mid back rounded vowel "ɔ". The next two sounds, "r" and "ʊ", are both pronounced in the back of the mouth. The sound "ts" is voiceless and alveolar, while the final sound "ki" is pronounced as "kee", with a high front vowel "i".